Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

Factorize: 2(x+y)2−9(x+y)−5

Answer»

Factorize:

2(x+y)29(x+y)5

2.

Find the zero of the polynomial: (i) p(x)=x−5 (ii) q(x)=x+4 (iii) r(x)=2x+5 (iv) f(x)=3x+1 (v) g(x)=5−4x (vi) h(x)=6x−2 (vii) p(x)=ax+b,a≠0 (viii) q(x)=4x

Answer»

Find the zero of the polynomial:
(i) p(x)=x5
(ii) q(x)=x+4
(iii) r(x)=2x+5
(iv) f(x)=3x+1
(v) g(x)=54x
(vi) h(x)=6x2
(vii) p(x)=ax+b,a0
(viii) q(x)=4x


    3.

    In a parallelogram ABCD,any point E is taken on the sides BC.AE and DC when produced meet at a point M.Prove that ar(△ADM)=ar(ABMC).

    Answer»

    In a parallelogram ABCD,any point E is taken on the sides BC.AE and DC when produced meet at a point M.Prove that ar(ADM)=ar(ABMC).

    4.

    49a^2+70ab+25b^2

    Answer»

    49a^2+70ab+25b^2

    5.

    Find the difference between compound interest on Rs. 8,000 in 2 years and at 5% per annum.

    Answer»

    Find the difference between compound interest on Rs. 8,000 in 2 years and at 5% per annum.

    6.

    Whether is it possible to construct a unique quadrilateral ABCD with AB = 6cm, AD = 7cm, ∠ABC = 30∘ , ∠DAB = 60∘, ∠ADC = 80∘ ? If yes, construct it and find ∠BCD.

    Answer»

    Whether is it possible to construct a unique quadrilateral ABCD with AB = 6cm, AD = 7cm, ABC = 30 , DAB = 60,

    ADC = 80 ? If yes, construct it and find BCD.


    7.

    In triangle PQR, Q > angle R; PA is the bisector of angle QPR ; PM IS perpendicular to PR .prove that angle APM=1/2(angle Q - angle R).

    Answer»

    In triangle PQR, Q > angle R; PA is the bisector of angle QPR ; PM IS perpendicular to PR .prove that angle APM=1/2(angle Q - angle R).

    8.

    Formulas of statistics

    Answer»

    Formulas of statistics

    9.

    Find a quadratic polynomial with rational coefficients whose on zero is √5-2

    Answer»

    Find a quadratic polynomial with rational coefficients whose on zero is √5-2

    10.

    From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest cm2.

    Answer»

    From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest cm2.

    11.

    If (x-1, y +3) = (7, -7), then find the values of x and y respectively.

    Answer»

    If (x-1, y +3) = (7, -7), then find the values of x and y respectively.


    12.

    Factorise the quadratic polynomial by splitting the middle term: y 2 - 4 y –21

    Answer»

    Factorise the quadratic polynomial by splitting the middle term: y 2 - 4 y –21


    13.

    The radius of the circle is 7cm and the angle subtended by the arc is 60°. If the area of ΔOAB is 21 cm2,then the area of segment ABP is

    Answer»

    The radius of the circle is 7cm and the angle subtended by the arc is 60°. If the area of ΔOAB is 21 cm2,then the area of segment ABP is

    14.

    15√10+√20+√40+√5−√80 is being given that √5=2.236and√10=3.162

    Answer» 1510+20+40+580
    is being given that 5=2.236and10=3.162
    15.

    The angle bisection of an angle yields the same angle as that created from a 60∘ construction. What is the value of the angle in degrees?___

    Answer»

    The angle bisection of an angle yields the same angle as that created from a 60 construction. What is the value of the angle in degrees?___

    16.

    Question 3 The angel between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60∘. Find the angles of the parallelogram.

    Answer» Question 3
    The angel between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60. Find the angles of the parallelogram.
    17.

    If 2x3+ax2+bx- 2 leaves the remainders 7 and -20 when divided by (2x-3) and (x+3) respectively. Find the value of a and b.

    Answer»

    If 2x3+ax2+bx- 2 leaves the remainders 7 and -20 when divided by (2x-3) and (x+3) respectively. Find the value of a and b.

    18.

    Each issue of a weekly cost Rs. 10. However on subscription of 156 issues 30% of the total amount and on 52 issues 25% of the total amount gets saved. What difference exists between the per issue cost obtained through both subscription?

    Answer»

    Each issue of a weekly cost Rs. 10. However on subscription of 156 issues 30% of the total amount and on 52 issues 25% of the total amount gets saved. What difference exists between the per issue cost obtained through both subscription?


    19.

    Complete this number series-13,15,19,?,43,45,139.what is at the place of' ?'

    Answer»

    Complete this number series-13,15,19,?,43,45,139.what is at the place of' ?'

    20.

    Algebraically prove that (a+b)2 = a2+b2+2ab

    Answer»

    Algebraically prove that

    (a+b)2 = a2+b2+2ab

    21.

    Question 5 (ii) Find 0.1 × 51.7

    Answer» Question 5 (ii)

    Find
    0.1 × 51.7
    22.

    A cubical block of side 10 cm is surmounted by a hemisphere. What is the largest diameter that the hemisphere can have? Find the cost of painting the total surface area of the solid so formed, at the rate of Rs 5 per 100 sq. cm [Use π=3.14]

    Answer»

    A cubical block of side 10 cm is surmounted by a hemisphere. What is the largest diameter that the hemisphere can have? Find the cost of painting the total surface area of the solid so formed, at the rate of Rs 5 per 100 sq. cm [Use π=3.14]

    23.

    These are polynomial or not 3√t+t√2 & y+2/y ? If not why?

    Answer» These are polynomial or not 3√t+t√2 & y+2/y ? If not why?
    24.

    When we throw a die randomly , as we keep on increasing the number of trials the probability of an event goes near to 1/6 . And same case in coin ( nearer to1/2) . Why is it so ?

    Answer» When we throw a die randomly , as we keep on increasing the number of trials the probability of an event goes near to 1/6 . And same case in coin ( nearer to1/2) . Why is it so ?
    25.

    Mr. Trivedi invested ₹4,00,000 in an industry. After 2 years he received ₹5,20,000 from the industry. Putting aside the original investment, he invested the gains in mutual funds and in shares in the ratio 3:2. How much amount did he invest in each of the schemes?

    Answer» Mr. Trivedi invested ₹4,00,000 in an industry. After 2 years he received ₹5,20,000 from the industry. Putting aside the original investment, he invested the gains in mutual funds and in shares in the ratio 3:2. How much amount did he invest in each of the schemes?
    26.

    The inclination of the line AB in the given figure is ___

    Answer»

    The inclination of the line AB in the given figure is ___


    27.

    Question 4 (i) The heights of 50 students, measured to the nearest centimeters, have been found to be as follows: 161150154165168161154162150151162164171165158154156172160170153159161170162165166168165164154152153156158162160161173166161159162167168159158153154159 (i) Represent the data given above by a grouped frequency distribution table, taking the class intervals as 160 - 165, 165 - 170, etc.

    Answer» Question 4 (i)
    The heights of 50 students, measured to the nearest centimeters, have been found to be as follows:
    161150154165168161154162150151162164171165158154156172160170153159161170162165166168165164154152153156158162160161173166161159162167168159158153154159
    (i) Represent the data given above by a grouped frequency distribution table, taking the class intervals as 160 - 165, 165 - 170, etc.
    28.

    Area is a quantity that expresses the extent of a __ dimensional figure or shape in the plane.

    Answer»

    Area is a quantity that expresses the extent of a __ dimensional figure or shape in the plane.

    29.

    If the angles of a pentagon are yo, (y - 6)o, (y + 8)o, (2y - 22)o and (24 + 35)o, then the value of y is

    Answer»

    If the angles of a pentagon are yo, (y - 6)o, (y + 8)o, (2y - 22)o and (24 + 35)o, then the value of y is


    30.

    If APB and CQD are parallel lines and a transversal PQ cut them at P and Q, then the bisectors of angles APQ, BPQ, CQP and PQD form a

    Answer»

    If APB and CQD are parallel lines and a transversal PQ cut them at P and Q, then the bisectors of angles APQ, BPQ, CQP and PQD form a


    31.

    Express 8−2 as a exponent with base 2 :

    Answer»

    Express 82 as a exponent with base 2 :


    32.

    Question 5 ABC is an isosceles triangle with AB = AC. Drawn AP ⊥ BC to show that ∠B=∠C.

    Answer» Question 5
    ABC is an isosceles triangle with AB = AC. Drawn AP BC to show that B=C.
    33.

    Find the volume of cuboid whose lenght = 1.4m, breadth = 0.1m and height = 0.7 m in litres.

    Answer» Find the volume of cuboid whose lenght = 1.4m, breadth = 0.1m and height = 0.7 m in litres.
    34.

    Can we apply Herons formula for all triangles?

    Answer» Can we apply Herons formula for all triangles?
    35.

    Question 9 Which of the following figures do not satisfy any of the following properties? - All sides are equal. -All angles are right angles. -Opposite sides are parallel.

    Answer» Question 9
    Which of the following figures do not satisfy any of the following properties?
    - All sides are equal.
    -All angles are right angles.
    -Opposite sides are parallel.






    36.

    If log a−b2=12(log a+log b), show that: a2+b2=6ab

    Answer»

    If log ab2=12(log a+log b), show that:
    a2+b2=6ab

    37.

    The value of (4+√6)(4−√6) is equal to

    Answer»

    The value of (4+6)(46) is equal to

    38.

    3+2+90

    Answer»

    3+2+90

    39.

    Find the percentage increse in the area of a triangle if its each side is doubled.PLEASE GIVE SIMPLE EXPLANATION AND HOW IT CAME IN BRACKET.

    Answer»

    Find the percentage increse in the area of a triangle if its each side is doubled.PLEASE GIVE SIMPLE EXPLANATION AND HOW IT CAME IN BRACKET.

    40.

    In the given figure, A,B,C are the mid-points of sides xy, yz and xz respectively of △xyz. If AB= 5.5 cm, BC= 3.5 cm and AC= 6 cm, then perimeter of △xyz= ______ cm.

    Answer»

    In the given figure, A,B,C are the mid-points of sides xy, yz and xz respectively of xyz.
    If AB= 5.5 cm, BC= 3.5 cm and AC= 6 cm, then perimeter of xyz= ______ cm.


    41.

    The two equal sides of an isosceles triangle with fixed bas b are decreasing at the rate of 3 cm/s. How fast is the area decreasing when the two equal sides are equal to the base ?

    Answer»

    The two equal sides of an isosceles triangle with fixed bas b are decreasing at the rate of 3 cm/s. How fast is the area decreasing when the two equal sides are equal to the base ?

    42.

    AC is parallel to dc area of quadrilateral a b c is equals to 25 square units and area of triangle ABC is equals to 17 square units find area of triangle ACE

    Answer» AC is parallel to dc area of quadrilateral a b c is equals to 25 square units and area of triangle ABC is equals to 17 square units find area of triangle ACE
    43.

    A and B have certain number of oranges. If B gives 10 oranges to A then A will have twice the number of oranges left with B.If A gives 10 oranges to B then both have the same same number of oranges.Find the number of oranges with A and B.

    Answer»

    A and B have certain number of oranges. If B gives 10 oranges to A then A will have twice the number of oranges left with B.If A gives 10 oranges to B then both have the same same number of oranges.Find the number of oranges with A and B.


    44.

    If x2=7−√48, then x = _______________

    Answer»

    If x2=748, then x = _______________


    45.

    Please tell me how to prove that root 2 is an irrational number descriptively step by step.

    Answer»

    Please tell me how to prove that root 2 is an irrational number descriptively step by step.

    46.

    Is 0.140140014000140000..... is an irrational number between 1/7 and 2/7 Pls answer

    Answer»

    Is 0.140140014000140000..... is an irrational number between 1/7 and 2/7

    Pls answer

    47.

    Subtract 4x3+8x2 from −2x3+3x2. .

    Answer»

    Subtract 4x3+8x2 from 2x3+3x2. .

    48.

    Which of the following should be the SECOND sentence after rearrangement?

    Answer»

    Which of the following should be the SECOND sentence after rearrangement?


    49.

    If A = {1, 2, 3}, B = {1, 4, 5}, then A - B = _______ ?

    Answer»

    If A = {1, 2, 3}, B = {1, 4, 5}, then A - B = _______ ?


    50.

    10 cubes are placed adjacent to each other in a row. find the ratio of total surface area of the cuboid thus formed to the sum of the surface areas of 10 cubes

    Answer» 10 cubes are placed adjacent to each other in a row. find the ratio of total surface area of the cuboid thus formed to the sum of the surface areas of 10 cubes